After months of buildup and speculation, Florida Gov. Ron DeSantis officially filed paperwork with the Federal Election Commission on Wednesday to run for President of the United States.

DeSantis is expected to formally announce his candidacy on Twitter at 6 p.m. He's expected to hold a virtual conversation with Twitter CEO Elon Musk.

Following that announcement, he will participate in his first national TV interview with Fox News' Trey Gowdy Wednesday at 8 p.m. ET on "Fox News Tonight."

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Florida Gov. Ron DeSantis speaking in front of an American flag

 Florida Gov. Ron DeSantis gives a victory speech after defeating Democratic gubernatorial candidate Rep. Charlie Crist during his election night watch party at the Tampa Convention Center on November 8, 2022, in Tampa, Florida. DeSantis filed paperwork to run for president on Wednesday, May 24, 2023. (Octavio Jones/Getty Images)

For months, DeSantis has been considered a top Republican contender for the 2024 presidential election, behind former President Donald Trump and ahead of the rest of the field of actual and likely candidates in nearly every GOP primary poll.

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Ron DeSantis presidential run paperwork

Florida Gov. Ron DeSantis officially filed paperwork with the FEC Wednesday to launch his 2024 presidential campaign. (Fox News)

The filing coincides with his meeting this week with top financial backers. 

Filing with the FEC allows DeSantis to directly solicit contributions from top donors and bundlers he is huddling with on Thursday in Miami.

Donald Trump and Ron DeSantis in a photo illustration

Hours ahead of his official announcement, Florida Governor Ron DeSantis officially filed paperwork with the Federal Election Commission to run for president. He'll face former President Donald Trump for the 2024 nomination. (Fox News )

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By filing and announcing his candidacy for president, DeSantis will be joining an already crowded field of Republican candidates, including former President Donald Trump, Sen. Tim Scott, R-S.C., former U.N. Ambassador Nikki Haley, businessman Vivek Ramaswamy, former Arkansas Gov. Asa Hutchinson, businessman Perry Johnson and conservative radio host Larry Elder.

Fox News' Paul Steinhauser contributed to this report.